Validation on 75 RA patients

Algorithm Type: 
Case Only
Institution: 
Implementation Details: 

This implementation was completed on a set of 75 rheumatoid arthritis subjects which were identified from a previously validated algorithm (1). On review of records 73 subjects had a clinical diagnosis of fibromyalgia made by their rheumatologist. 2 subjects did not have the diagnosis of fibromyalgia. 

Citations: 

1. Carroll RJ, Thompson WK, Eyler AE, Mandelin AM, Cai T, Zink RM, et al. Portability of an algorithm to identify rheumatoid arthritis in electronic health records. J Am Med Inform Assoc JAMIA. 2012 Jun;19(e1):e162–9.

Cases (0) Actual Class (Expectation)
Predicted Class
(Observation)
True Positive: 
73.00
Correct result
False Positive: 
2.00
Unexpected result
Case Positive Predictive Value:
 97.33%